Akira Domon

Process cartridge, assembling method therefor and electrophotographic apparatus

Developing apparatus having reciprocating cleaning device for photodetector

Process cartridge, image forming apparatus, and image forming method

Electrophotographic image forming apparatus and a developing unit and a process cartridge mountable to a main body thereof each including a portion for detecting the remaining amount of a developing agent contained in the developing unit

Development density adjusting method for image forming apparatus

Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships

Developing apparatus, process cartridge, image forming apparatus and assembling method for process cartridge.

Developing apparatus for judging residual amount of developing agent using detection member moving at predetermined cycle

Memory device for an image forming apparatus storing characteristics information about a process cartridge detachably attachable to the apparatus

Image forming apparatus using specific electric field to transfer strontium titanate-containing developer to a drum